Tank-mold.



Patented Apr. 24, I900. 0. A. DEVER.

TANK MOLD. (Application filed Apr. 28, 1899.)

(No Model.)

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NrTnn STATES onnm A. seven, or cAssoPoLis, MICHIGAN.

TANK-'MOLD.

SPECIFICATION forming part of Letters Patent No. 648,244, dated April24, 1906. Application filed April 28,1899. Serial No. 714,873. (Nomodel.)

To all whom it may concern.- facilitating its removal from the tank. TheBe it known that I, ORRIN A. DEVER, of inner part is composed of endportions A and Oassopolis, in the county of Cass and State of sideportions B. The inner sides of the end 5 Michigan, have invented a newand Improved portions A are provided with ribs 5, similar 5 Tank-Mold,of which the following is a full, to the ribs 5*, before described.These ribs clear, and exact description. terminate in lugs 6, similar tothe lugs 6 The purpose of this invention is to provide and adapted to beriveted or otherwise joined. a mold for forming stock-watering and otherto lugs 7 similar t9 the lugs 7, and formed at tanks of cement or likeplastic material, to the terminals of T-iron ribs 8*, fastened on 10which end the mold is formed of an inner and the side portions B of theinner part of the outer part, each forming a wall and each havmold andrunning longitudinally thereof. ing two curved end portions joined bypar- The meeting edges of the end portions A allel side portions, all ofthe .said portions beand the side portions B are provided with inginterchangeable to permit of forming vertical angle-iron ribs 9, similarto the ribs 15 tanks of various forms. 9 before described and rivetedtogether in This specification is the disclosure of one pairs, as thesaid previously-described ribs. form of myinvention, while the claimdefines For further strengthening the end portions, the actual scopethereof. and principally for preventing the collapse Reference is to behad to the accompanying thereof, 1 provide at the bottom of each end 20drawings, forming a part of this specification, section A a cross-brace10, which extends bein which similar characters of reference inditweenthe ends of the end sections and which cate corresponding parts in allthe views. is fastened thereto. These braces are con- Figure 1 is a planview of the invention nected attheir middles with the middle porwithparts broken away on the line 1 1 of Fig. tions of the respective endportions by means 25 2. Fig. 2 is an irregular section on the line ofbraces 11.

2 2 of Fig. 1. Fig. 3 is a cross-section on the In the drawings I haveshown the parts adline 3 3 of Fig. 1, and Fig. 4 is a sectional justedto form an oblong tank, and when this view of the tank when finished. isdesired the two parts of the mold in the The outer part of themold,which part forms adjustment shown are placed upon a suitable c theouter wall, has two end portions A and foundation G,(shown in Figs. 2,3,and4,) with two side portions B. Each end portion is the inner partuniformly spaced from the formed, preferably, of sheet metal andisdisouter part. The cement (indicated at D in posed perpendicularly tothe ground when in the drawings) is now filled in between the place, theend portions being curved in the two parts of the mold and permitted tohar- 5 form of a semicircle and being braced on den. The inner part maythen be removed their outer faces by T-iron ribs 5, the ends and thefloor of the tank may be put in place of which are provided with lugs6,adapted to to join the walls, thus forming the finished join withsimilar lugs 7, formed at the ends tank of the form illustrated inFig. 1. If it 0 of the T-iron ribs 8, fastened to the side porbe desiredto form a circular tank, the mid- 0 tions B of the outer part. The sideportions dle portions B and B of the inner and outer B of the outer partare formed of the same parts of the mold may be displaced and thematerial as the end portions, and the end and end portions of the partsof the mold joined side portions are provided at their meeting rigidlyto each other by fastening the lugs 6 5 edges with vertical L-iron ribs9, as indicated and (i directly together. The two semicir- 5 by the fulllines in Figs. 1 and 3. These vercular end portions of each part Willnow form tical braces 9 are bolted or riveted together a true circle andthe tank may be molded in when the parts of the mold are assembled asthe manner previously described. the drawings show. Having thusdescribed my invention, I

The inner part of the mold has its walls in claim as new and desire tosecure by Letters 50 clined inward slightly to give the tank-wallsPatenta greater thickness at the bottom portions Atank-mold, having anouter and an inner than at the top and to give the mold a draft part,each part comprising two curved end portions and two side portionsextending be- I the inner part of the tank-mold, and addi- IO tween therespective ends of the end portions, tional braces passing from themiddle perthe side and end portions having ribs extendtions of therespective cross-braces to the miding longitudinally thereof andfastened theredles of the said end portions of the tank-mold to, theribs terminating in transverse lugs or I and being fastened thereto.

projections matching with each other in pairs, ORRIN A. DEVER.

to facilitate removably fastening the end and Witnesses:

side portions together, a cross-brace extend- LOWELL H. GLOVE'R,

ing between the ends of each end portion of C. ALLISON.

